200111021100091 has 2 divisors, whose sum is σ = 200111021100092. Its totient is φ = 200111021100090.

The previous prime is 200111021100043. The next prime is 200111021100131. The reversal of 200111021100091 is 190001120111002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200111021100091 - 2¹⁷ = 200111020969019 is a prime.

It is not a weakly prime, because it can be changed into another prime (200111021100191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100055510550045 + 100055510550046.

It is an arithmetic number, because the mean of its divisors is an integer number (100055510550046).

Almost surely, 2^{200111021100091} is an apocalyptic number.

200111021100091 is a deficient number, since it is larger than the sum of its proper divisors (1).

200111021100091 is an equidigital number, since it uses as much as digits as its factorization.

200111021100091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 19.

Adding to 200111021100091 its reverse (190001120111002), we get a palindrome (390112141211093).

The spelling of 200111021100091 in words is "two hundred trillion, one hundred eleven billion, twenty-one million, one hundred thousand, ninety-one".